And Then Silence: 25 Years Since the Rise and Fall of Mars Observer

What might have been? Artist’s concept of Mars Observer in orbit around the Red Planet. Image Credit: NASA

“Range Safety Command Destruct System has been armed…fuel valves are now being opened…”

It was Friday, 25 September 1992—a quarter-century ago—as NASA counted down the final moments on Earth of its first voyage to the Red […]

Balancing Cost and Science: NASA Examines Less Expensive Mission Design for Europa Lander

Artist’s conception of the Europa lander. Image Credit: NASA/JPL-Caltech

The push for a return mission to Jupiter’s moon Europa has been gaining steam in the last few years, with NASA now planning for Europa Clipper, which would make repeated close flybys to study the moon’s interior ocean and the exciting potential for life. There […]

'Sustained Program of Exploration': 20 Years Since the Arrival of the Mars Global Surveyor

Artistic rendering of Mars, made from images taken with NASA’s Mars Global Surveyor spacecraft. Image Credit: Kees Veenenbos/MOLA Science Team/NASA

Twenty years ago, this week, NASA’s Mars Global Surveyor settled into orbit around the Red Planet, to begin what NASA described as “a sustained program of exploration” of our third-closest celestial neighbour after the […]

'All Good Things': Cassini Finishes Its Epic Mission at Saturn In a Blaze of Glory

A last look at Saturn: mosaic made from images taken on Sept. 13, 2017 by Cassini. Image Credit: NASA/JPL-Caltech/Space Science Institute/Jason Major

The moment that many people have been waiting for – albeit with great sadness – has finally arrived, with the Cassini spacecraft ending its mission in a literal blaze of glory. At […]

Florida Spaceports Recovering from Irma, No Launches Until Oct

Launch Complex 39 surrounding areas are seen during an aerial survey of NASA’s Kennedy Space Center in Florida on September 12, 2017. The survey was performed to identify structures and facilities that may have sustained damage from Hurricane Irma as the storm passed Kennedy on September 10, 2017. NASA closed the center ahead of […]

Expedition 53 Ready to Expand to Six-Man Strength With Soyuz MS-06 Launch

Soyuz MS-06 launches from Site 1/5 at Baikonur, three weeks shy of the 60th anniversary since Sputnik 1 rose from the same complex. Photo Credit: NASA/Twitter

Three new crew members are en-route to the International Space Station (ISS), following an on-time launch of Soyuz MS-06 from the Baikonur Cosmodrome in Kazakhstan. Liftoff of Russian […]

Juno Finds Jupiter's Powerful Auroras 'Defy Earthly Laws of Physics'

Auroras at Jupiter’s north pole, as seen by the Hubble Space Telescope. Juno’s observations show that they are much more powerful than previously thought. Photo Credit: ASA/ESA/J. Nichols/University of Leicester

Although NASA’s Cassini mission is now coming to an end at Saturn, the Juno spacecraft is continuing to orbit Jupiter, sending back an incredible […]

Whitson and Fischer Discuss Record-Setting Multi-Month ISS Increment

A week after returning from space, Jack Fischer has accrued 136 days in orbit from his first mission. Peggy Whitson, meanwhile, now stands as the world’s eighth most experienced spacefarer, with 665 days across her three missions. Photo Credit: Michael Galindo/AmericaSpace

A week since their return from low-Earth orbit, Expedition 52 astronauts Peggy Whitson […]

'Sitting On A Controlled Explosion': 25 Years Since the Space Shuttle's Half-Century Mission

 

Endeavour roars aloft, 25 years ago, this week, for the Space Shuttle’s 50th flight. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, this week, Space Shuttle Endeavour—the youngest member of NASA’s fleet of orbiter vehicles, built to replace the ill-fated Challenger—rocketed away from the Kennedy Space Center (KSC) in Florida, on a […]

'The Last Hurrah': Cassini Prepares for Fiery End of Mission in One Week

One of the most surreal views of Saturn from Cassini, backlit by the Sun. Photo Credit: NASA/JPL-Caltech/Space Science Institute

The end is nigh. Those really are not the words that scientists and fans of the Cassini mission at Saturn want to hear, but it’s true. After exploring Saturn and its moons since 2004, the […]